[NoStatePrefetch] Kill renderer after preload scanning

content/common/view_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // IPC messages for page rendering.
 // Multiply-included message file, hence no include guard.
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 703 matching lines @@
 // Message to show a full screen widget.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_ShowFullscreenWidget,
                     int /* route_id */)
 
 // Sent by the renderer process to request that the browser close the view.
 // This corresponds to the window.close() API, and the browser may ignore
 // this message.  Otherwise, the browser will generates a ViewMsg_Close
 // message to close the view.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_Close)
 
+// Sent by the renderer process to notify that the resource prefetcher has
+// discovered all possible subresources and issued requests for them.
+IPC_MESSAGE_CONTROL0(ViewHostMsg_PrefetchFinished)
+
 // Send in response to a ViewMsg_UpdateScreenRects so that the renderer can
 // throttle these messages.
 IPC_MESSAGE_ROUTED0(ViewHostMsg_UpdateScreenRects_ACK)
 
 // Sent by the renderer process to request that the browser move the view.
 // This corresponds to the window.resizeTo() and window.moveTo() APIs, and
 // the browser may ignore this message.
 IPC_MESSAGE_ROUTED1(ViewHostMsg_RequestMove,
                     gfx::Rect /* position */)
 
@@ skipping 269 matching lines @@
                     int /* y */)
 
 #elif defined(OS_MACOSX)
 // Receives content of a web page as plain text.
 IPC_MESSAGE_ROUTED1(ViewMsg_GetRenderedTextCompleted, std::string)
 #endif
 
 // Adding a new message? Stick to the sort order above: first platform
 // independent ViewMsg, then ifdefs for platform specific ViewMsg, then platform
 // independent ViewHostMsg, then ifdefs for platform specific ViewHostMsg.